Type |
Spiral pointed taps |
System of measurement |
Metric |
Individual/Set |
Individual |
Tap material |
High speed steel (HSS) |
Coating |
Oxide |
Thread type |
Unified |
Thread size |
7/8-9UNC |
Applicable drill bit |
0.7656" |
Tap limit/ Class |
P4 |
Thread length |
33mm |
Chamfer type |
Taper |
Chamfer threads |
5P |
Flute type |
Spiral point |
Number of grooves/Flutes |
3 |
Direction of thread |
Clockwise (right-handed) |
Total length |
115mm |
Shank diameter |
17mm |
Shank length |
55mm |
Drive type |
Square |
Drive part size |
13mm |
Drive part length |
16mm |
Hole type |
Through hole |
Overall diameter |
14mm |
Overall length |
115mm |
Representative standard |
JIS |